City of Houston, Public Works and Engineering Department(Texas Clean Rivers Program; Houston-Galveston Area Council, Government Chemical Laboratories, 1998)

Trace metals were surveyed for the Houston Ship Channel and tributaries. Silver, mercury, arsenic, cadmium, copper, nickel, lead, and zinc were the trace metals studied. Of these, silver and mercury were the only ones ...

Sediment samples were collected by the U.S. Army Corps of Engineers from the Houston Ship Channel before maintenance dredging in 1976, 1983, and 1986. These samples were analyzed for heavy metal, organochlorine pesticides, ...

Depuration of copper and zinc by the American Oyster (Crassostrea virginica) was studied in an aquarium with artificial seawater (24 to 28 ppt) at 22 C. During the 48-pay period, copper concentrations decreased from 110 ...

Larvae of the estuarine caridean shrimp Palaemonetes pugio (Holthuis) were reared from hatch through completion of metamorphosis in 80 combinations of salinity (3 to 31 %.), temperature (20 to 35 C), and zinc (0.00 to 1.00 ...

Approximately 800 sediment samples from stream beds and bay bottoms of water bodies that compose the Matagorda Bay system were collected and analyzed. Shell-sand-mud rations and total organic carbon content were determined, ...

This article addresses the changes in behavior of several trace metals that occur in response to the systematic changes in ionic strength, pH, DOC, nutrient concentrations, and alkalinity demonstrated in estuaries. ...

Aquatic habitats are threatened by urban and industrial inputs of toxicants, such as heavy metals. One of the most toxic heavy metals is Pb, which shows neurotoxic effect to a large number of organisms even at very low ...